October 21, 2018 10:00 am

In English, the letter x has become synonymous with the unknown, whether it be X-rays, or X marks the spot, and the same applies when it comes to algebra, where we are encouraged to solve x. But why has this letter become associated with all things mysterious? In this fascinating talk below, Terry Moore explains why.

Written by Mairead Finlay – Communication Trainee at the Terminology Coordination Unit of the European Parliament (Luxembourg). She has studied Translation at the University of Geneva and holds a BA in Politics and French from the University of Bristol.